package day7;

class Father {
    void show() {
        System.out.println("A");
    }
}

class Son extends Father {
    void show() {
        super.show();
        System.out.println("B");
    }
}

public class Test15 {
    public static void main(String[] args) {
        Father f = new Son();
        f.show();
    }
}